Aren't C-sharp and D-flat the same note?

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In this video, I explain the difference between the notes C-sharp and D-flat and more broadly address enharmonic notes in music.

Thanks for your comments and likes. Do you have an idea for a topic you'd like to see me cover? Leave a comment below!

Intro and Outro music:
"Double Violin Concerto 1st Movement – J.S. Bach"
Licensed under Creative Commons: By Attribution 3.0

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So I’m correct in saying that the two notes are the same frequency but function different based on the specific usage

IQOfToast

I remember from my physics class that the sharp and flat have a different frequency tho they are very close. The piano is rigged as a compromise.

donaldeisenbarth

Nice explanation! I especially like the clean and down-to-the-point presentation of your videos so far.

Regarding topic ideas: I'd be very interested in a video explaining the difference between motif, phrase and (musical) period and how they relate to each other?

janott

Thank you for your amazing work :) such clean, compact information. wishing for more content tho

randomfjord

Interesting. I've always thought it depended on the scale. For example: the C Major/Ionian scale consists of all white keys and to get from there to C Lydian mode you "sharpen" the F, which therefore becomes F#. Likewise, if you move to C Mixolydian mode you "flatten" the B, which then becomes Bb.

kasperchristensen

I understand the point.... what I was trying to understand was (and I'm learning how to play on my own) was finding notes on my violin. Mathematically minded that I am, that would mean they are the same to me, (C=3)+0.5=(D=4)-0.5 my fear was that it was more like sharp would be 1/3 up from C and flat would be 1/3 below D making two different sounding notes.

leonsiedark

Described well the definitive difference between Enharmonics

Yokai.Wakukhan

I have read that before the tempered claver the intervall between C to D or an F to G was divided in 9 small steps. And that a C# was 5 steps above C and Db was 5 steps below D making the C# a tiny bit higher then Db. I have aways found singing in keys like E-major appose to F-major more demanding on the singer to be singing in pitch.

samuelkarlberg

This proves how important it is not to read (or quote) out of CONTEXT.

englishenglish

So basically if the note is higher than the next note it's C sharp and if it's lower than the next note it's D flat right??

deadlee

I wonder if b flat can work as a c flat or not😕

cheerstomyself

technically those 2 are still the same note in the context of their placement on the keyboard

ykcwimh

I’m kindve dumb, but tell me if I got this right. So d flat and C sharp are the same key but it changes depending on how you play the notes? I’m just learning how to make music and I usually look up scales to help stay in key when making melodies. So if I’m trying to play in d flat does that mean it’s the same scale as C sharp? I see most modern songs play in the d flat key so I’m trying to figure out how to play in that key as well but I don’t know how.

jimjoe